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Dr. Roslyn L. Gerwin, DO
NPI1710274709PAC ID4688818859
- Medicare services, 2016
- 20
- Part D claims, 2019
- 12
- Publications
- 8
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Practice address
- 22 Bramhall St, Portland, ME 04102
- Practice phone
- Call (207) 662-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerwin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Roslyn L. Gerwin is a psychiatrist in Portland, Maine
Dr. Gerwin practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Dr. Gerwin's NPI, 1710274709, was assigned on June 29, 2011. Dr. Gerwin graduated from University of New England, College of Osteo Medicine in 2011. Dr. Gerwin holds Maine license DO2494.
NPI and contact details
- NPI
- 1710274709NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688818859
- NPI enumeration date
- June 29, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 662-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roslyn L. Gerwin practices at MaineHealth Maine Medical Center in Portland, Maine
Dr. Gerwin's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.
- MaineHealth Maine Medical Center22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 662-0111
Source: Dmand AI Affiliation Data
Dr. Roslyn L. Gerwin is affiliated with 1 site of care and 2 medical groups
Dr. Gerwin's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Gerwin to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roslyn L. Gerwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerwin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roslyn L. Gerwin is one of 203 psychiatrists in Maine
Psychiatry is Dr. Gerwin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Gerwin's licenses on file in 2 states: Maine and Massachusetts.
Specialties and state licenses
- Psychiatry, MainePrimary
- Massachusetts license
Psychiatrists near Dr. Gerwin
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
203psychiatrists in Maine58psychiatrists in Portland36psychiatrists at MaineHealth Maine Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Roslyn L. Gerwin billed Medicare for 20 services in 2016
CMS data shows 20 Medicare services from Dr. Gerwin across 1 procedure code in 2016. Medicare paid $1,074 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201620
Paid by Medicare$1,074
Procedure codes1
Dr. Gerwin compared with the Maine median for psychiatrists, 2016
- Dr. Gerwin
- Maine median
- Medicare services
- 20vs 12083% below
- Part D claims
- 12vs 10889% below
Medians across 252 psychiatrists in Maine with Dmand AI profiles that report each measure.
Dr. Gerwin's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerwin and other psychiatrists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roslyn L. Gerwin's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts Dr. Gerwin's median patient age at 17, with 44% women.
Dr. Gerwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Roslyn L. Gerwin wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Gerwin wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $82 in total drug cost.
Part D claims, 201912
Drugs named by CMS1
Total drug cost$82
Dr. Gerwin's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Roslyn L. Gerwin scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Gerwin for performance year 2024, reported through an alternative payment model (APM). Dr. Gerwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gerwin's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Roslyn L. Gerwin has 8 publications on record
Dmand AI links 8 papers to Dr. Gerwin, published from 2018 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Hypothermia, Induced, Intensive Care Units, Neonatal and Parents. Dr. Gerwin has published most often in J ECT. Dr. Gerwin's most frequent co-authors are Scott Randall Evans, MD, Lee A. Wolfrum, DO and Monica L. Daigle, DO.
Papers8
Years published2018 to 2024
Dr. Gerwin's papers by year, 2018 to 2024
Topics Dr. Gerwin writes about most
- Hypothermia, Induced
- Intensive Care Units, Neonatal
- Parents
- Catatonia
- Electroconvulsive Therapy
- New England
- Professional-Family Relations
Dr. Gerwin's most frequent co-authors
- Scott Randall Evans, MD3 shared papers
- Lee A. Wolfrum, DO3 shared papers
- Monica L. Daigle, DO1 shared paper
Recent publications by Dr. Gerwin
CatatoniaElectroconvulsive Therapy
CatatoniaElectroconvulsive TherapyLorazepam
J Matern Fetal Neonatal Med
EmotionsHypothermia, InducedIntensive Care Units, Neonatal
See who Dr. Gerwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerwin works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Roslyn L. Gerwin graduated from University of New England, College of Osteo Medicine
Dr. Gerwin graduated from University of New England, College of Osteo Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roslyn L. Gerwin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Roslyn L. Gerwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Roslyn L. Gerwin's NPI number?
Dr. Roslyn L. Gerwin's NPI number is 1710274709. It was assigned on June 29, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Roslyn L. Gerwin?
Dr. Roslyn L. Gerwin is a psychiatrist in Portland, Maine. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Roslyn L. Gerwin practice?
Dr. Gerwin practices at 22 Bramhall St, Portland, ME 04102. Dr. Gerwin's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Gerwin to 1 medical group.
What is Dr. Roslyn L. Gerwin's office phone number?
The practice phone on file for Dr. Gerwin is (207) 662-0111.
What is Dr. Roslyn L. Gerwin's medical license number?
Dr. Gerwin holds Maine license DO2494, one of the licenses on file in 2 states.
Which states has Dr. Roslyn L. Gerwin been licensed in?
Dmand AI has state licenses on file for Dr. Gerwin in Maine and Massachusetts.
Which hospitals is Dr. Roslyn L. Gerwin affiliated with?
Dr. Gerwin practices at MaineHealth Maine Medical Center in Portland, Maine.
What medical group is Dr. Roslyn L. Gerwin part of?
Dr. Gerwin is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Gerwin to 1 more medical group.
Does Dr. Roslyn L. Gerwin accept Medicare?
Yes. CMS data shows Dr. Gerwin billed Medicare for 20 services in 2016, and Dr. Gerwin accepts Medicare assignment.
What is Dr. Roslyn L. Gerwin's MIPS score?
Dr. Gerwin's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
What services does Dr. Roslyn L. Gerwin bill to Medicare?
In 2016, Dr. Gerwin's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Roslyn L. Gerwin go to medical school?
Dr. Gerwin graduated from University of New England, College of Osteo Medicine in 2011.
What drugs does Dr. Roslyn L. Gerwin prescribe most?
In 2019 Medicare Part D data, Dr. Gerwin's most prescribed drugs by claims were Fluvoxamine Maleate.
How long has Dr. Roslyn L. Gerwin been practicing?
Dr. Gerwin graduated from medical school in 2011, 15 years ago.
Does Dr. Roslyn L. Gerwin do research?
Dmand AI links 8 publications to Dr. Gerwin, published from 2018 to 2024.
Who does Dr. Roslyn L. Gerwin publish with?
Dr. Gerwin's most frequent co-authors are Scott Randall Evans, MD (3 shared papers), Lee A. Wolfrum, DO (3 shared papers) and Monica L. Daigle, DO (1 shared paper).
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